Finding the Third Proportional to 5,905,944 and 8,978,376

Step by Step Solution

1. Step 1: Write the proportion equation
   5,905,944 : 8,978,376 = 8,978,376 : x
2. Step 2: Convert to fraction form
   5,905,944/8,978,376 = 8,978,376/x
3. Step 3: Cross multiply
   5,905,944x = 8,978,376 × 8,978,376
4. Step 4: Simplify right side
   5,905,944x = 80,611,235,597,376
5. Step 5: Solve for x
   x = 80,611,235,597,376/5,905,944
6. Step 6: Final answer
   x = 13,649,170.33